13613201389 has 2 divisors, whose sum is σ = 13613201390. Its totient is φ = 13613201388.

The previous prime is 13613201387. The next prime is 13613201419. The reversal of 13613201389 is 98310231631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13430492100 + 182709289 = 115890^2 + 13517^2 .

It is a cyclic number.

It is not a de Polignac number, because 13613201389 - 2¹ = 13613201387 is a prime.

Together with 13613201387, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13613201387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6806600694 + 6806600695.

It is an arithmetic number, because the mean of its divisors is an integer number (6806600695).

Almost surely, 2^13613201389 is an apocalyptic number.

It is an amenable number.

13613201389 is a deficient number, since it is larger than the sum of its proper divisors (1).

13613201389 is an equidigital number, since it uses as much as digits as its factorization.

13613201389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 37.

The spelling of 13613201389 in words is "thirteen billion, six hundred thirteen million, two hundred one thousand, three hundred eighty-nine".